package com.paw.ruoyi.admin.controller;

import java.beans.PropertyEditorSupport;
import java.util.Date;
import java.util.List;

import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.paw.ruoyi.admin.common.constant.HttpStatus;
import com.paw.ruoyi.admin.common.context.UserContextHolder;
import com.paw.ruoyi.admin.common.AjaxResult;
import com.paw.ruoyi.admin.common.domain.PageDomain;
import com.paw.ruoyi.admin.common.TableDataInfo;
import com.paw.ruoyi.admin.core.util.TableSupport;
import com.paw.ruoyi.admin.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

/**
 * web层通用数据处理
 *
 * @author ruoyi
 */
public class BaseController<T> {

  protected final Logger logger = LoggerFactory.getLogger(this.getClass());

  /**
   * 将前台传递过来的日期格式的字符串，自动转化为Date类型
   */
  @InitBinder
  public void initBinder (WebDataBinder binder) {
    // Date 类型转换
    binder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
      @Override
      public void setAsText (String text) {
        setValue(DateUtil.parseDate(text));
      }
    });
  }

  protected Page<T> getPage () {
    PageDomain pageDomain = TableSupport.buildPageRequest();
    Integer pageNum = pageDomain.getPageNum();
    Integer pageSize = pageDomain.getPageSize();
    Page<T> page = new Page<>(pageNum, pageSize);
    if(StrUtil.isNotEmpty(pageDomain.getOrderBy()) && StrUtil.isNotEmpty(pageDomain.getIsAsc())){
      // 排序
      boolean asc = Boolean.parseBoolean(pageDomain.getIsAsc());
      page.addOrder(new OrderItem(pageDomain.getOrderBy(), asc));
    }

    return page;
  }

  /**
   * 设置请求排序数据
   */
  protected void startOrderBy () {
    PageDomain pageDomain = TableSupport.buildPageRequest();
    if (StringUtils.isNotEmpty(pageDomain.getOrderBy())) {
//            String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
//            PageHelper.orderBy(orderBy);
    }
  }

  /**
   * 响应请求分页数据
   */
  @SuppressWarnings({"rawtypes", "unchecked"})
  protected TableDataInfo getDataTable (List<?> list) {
    TableDataInfo rspData = new TableDataInfo();
    rspData.setCode(HttpStatus.SUCCESS);
    rspData.setMsg("查询成功");
    rspData.setRows(list);
    //TODO
    rspData.setTotal(list.size());
    return rspData;
  }

  protected TableDataInfo getDataTable (IPage<T> page) {
    TableDataInfo rspData = new TableDataInfo();
    rspData.setCode(HttpStatus.SUCCESS);
    rspData.setMsg("查询成功");
    rspData.setRows(page.getRecords());
    rspData.setTotal(page.getTotal());
    return rspData;
  }

  /**
   * 返回成功
   */
  public AjaxResult success () {
    return AjaxResult.success();
  }

  /**
   * 返回失败消息
   */
  public AjaxResult error () {
    return AjaxResult.error();
  }

  /**
   * 返回成功消息
   */
  public AjaxResult success (String message) {
    return AjaxResult.success(message);
  }

  /**
   * 返回失败消息
   */
  public AjaxResult error (String message) {
    return AjaxResult.error(message);
  }

  /**
   * 响应返回结果
   *
   * @param rows 影响行数
   * @return 操作结果
   */
  protected AjaxResult toAjax (int rows) {
    return rows > 0 ? AjaxResult.success() : AjaxResult.error();
  }

  /**
   * 响应返回结果
   *
   * @param result 结果
   * @return 操作结果
   */
  protected AjaxResult toAjax (boolean result) {
    return result ? success() : error();
  }

  /**
   * 页面跳转
   */
  public String redirect (String url) {
    return StringUtils.format("redirect:{}", url);
  }

//  /**
//   * 获取用户缓存信息
//   */
//  public LoginUser getLoginUser () {
//    return SecurityUtils.getLoginUser();
//  }
//
  /**
   * 获取登录用户id
   */
  public Long getUserId () {
    return UserContextHolder.getUserId();
  }


  /**
   * 获取登录用户名
   */
  public String getUsername () {
    return UserContextHolder.getUserName();
  }
}
